s8g_sub          3581 ext/uvector/uvector.c                 r = s8g_sub(v0, v1, clamp);
s8g_sub          3596 ext/uvector/uvector.c                 r = s8g_sub(v0, v1, clamp);
s8g_sub          3610 ext/uvector/uvector.c                 r = s8g_sub(v0, v1, clamp);